import baseGetTag from './.internal/baseGetTag.js'; import isLength from './isLength.js'; import isObjectLike from './isObjectLike.js'; import nodeUtil from './.internal/nodeUtil.js'; /** Used to identify `toStringTag` values of typed arrays. */ const typedArrayTags = {}; typedArrayTags['[object Float32Array]'] = typedArrayTags['[object Float64Array]'] = typedArrayTags['[object Int8Array]'] = typedArrayTags['[object Int16Array]'] = typedArrayTags['[object Int32Array]'] = typedArrayTags['[object Uint8Array]'] = typedArrayTags['[object Uint8ClampedArray]'] = typedArrayTags['[object Uint16Array]'] = typedArrayTags['[object Uint32Array]'] = true; typedArrayTags['[object AsyncFunction]'] = typedArrayTags['[object Arguments]'] = typedArrayTags['[object Array]'] = typedArrayTags['[object ArrayBuffer]'] = typedArrayTags['[object Boolean]'] = typedArrayTags['[object DataView]'] = typedArrayTags['[object Date]'] = typedArrayTags['[object Error]'] = typedArrayTags['[object Function]'] = typedArrayTags['[object GeneratorFunction]'] = typedArrayTags['[object Map]'] = typedArrayTags['[object Number]'] = typedArrayTags['[object Object]'] = typedArrayTags['[object Proxy]'] = typedArrayTags['[object RegExp]'] = typedArrayTags['[object Set]'] = typedArrayTags['[object String]'] = typedArrayTags['[object WeakMap]'] = false; /* Node.js helper references. */ const nodeIsTypedArray = nodeUtil && nodeUtil.isTypedArray; /** * Checks if `value` is classified as a typed array. * * @since 3.0.0 * @category Lang * @param {*} value The value to check. * @returns {boolean} Returns `true` if `value` is a typed array, else `false`. * @example * * isTypedArray(new Uint8Array); * // => true * * isTypedArray([]); * // => false */ const isTypedArray = nodeIsTypedArray ? value => nodeIsTypedArray(value) : value => isObjectLike(value) && isLength(value.length) && !!typedArrayTags[baseGetTag(value)]; export default isTypedArray;